How to calculate water tank capacity in liter:

Calculating the capacity of a water tank is important for storage design, water supply planning, pump selection and process applications. The required formula depends on the geometry of the tank.

What is the logic that connects these four numbers?

Which number would you add to the sequence?

No pen, no paper

What is angle x ??

Proper shaft alignment is essential for the reliability, efficiency, and service life of rotating equipment. Even a small misalignment between a motor and pump can lead to vibration, bearing failure, coupling damage, seal leakage, and unplanned downtime.

The attached image highlights 9 useful alignment methods:

1 Straight Edge Alignment

2 Feeler Gauge Alignment

3 Dial Indicator Alignment

4 Laser Alignment

5 Reverse Dial Indicator Alignment

6 Offset Shaft Alignment

7 Thermal Alignment

8 Soft Foot Alignment

9 Clock Method Alignment

In modern industries, laser alignment provides high accuracy and helps reduce maintenance time, but traditional methods like straight edge, feeler gauge, and dial indicators remain valuable for many applications..

Alignment is not just a maintenance activity-it is a reliability improvement tool.

#MechanicalMaintenance #ShaftAlignment

#LaserAlignment #PumpMaintenance

Quiz time?

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#mechanicalengineering #DidYouKnow #IndiaPost

*CONTROL VALVES – SHORT NOTES*

*What is it?* Valve that controls flow / pressure / temperature by signal from BMS / DDC.

*Main Types:*
*1. 2-Way:* Controls flow to coil. AHU/FCU standard.
*2. 3-Way:* Mixing/Diverting. Used when bypass needed.
*3. PICV:* 2-way + auto flow balancing. No need extra balancing valve.
*4. Ball Type:* On/Off & modulating – FCU
*5. Globe Type:* Precise modulating – AHU

*Actuator Types:* Thermal / Motorized / On-Off / 0-10V Modulating

*Signal:* 24V On-Off OR 0-10V / 4-20mA

*Fail Safe:* FO / FC / FIP

#HVAC #BMS #ControlValve